package bean;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;

public class ScoreDTO {
	private ScoreVo vo;
	private Connection conn;
	
	//페이지와 관련된 변수
	int listSize=5;	 // 페이지당 표시되는 행수
	int blockSize=5; // 한블럭당 표시되는 페이지 수
	int totSize=0;	 // 전체게시물이 계수
	int totPage=0;	 // 전체 페이지수
	int totBlock=0;	 // 전체 블럭수
	int nowPage=1;	 // 현재페이지
	int nowBlock = 1;	 // 현재블럭
	int startNo=0;	 // 리스트 목록의 시작 위치
	int endNo=0;	 // 리스트 목록의 끝 위치
	int startPage=0; // 현재블럭에서 표시되는 시작 블럭번호
	int endPage=0;	 // 현재블럭에서 표시되는 끝 블럭 번호
	
	
	public ScoreDTO() {
		conn = new MyOracle().getConn();
	}
	
	public boolean login(){
		boolean b=false;
		try{
			String sql="insert into score values(?,?,?,?,?,?,?,Seq_score_rno.nextval)";
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1, vo.getGrade());
			pst.setInt(2, vo.getPoint());
			pst.setString(3, vo.getScode());
			pst.setString(4, vo.getMid());
			pst.setString(5, vo.getExamdate());
			pst.setString(6,vo.getExam());
			pst.setInt(7, vo.getRank());
			
			int cnt=pst.executeUpdate();
			if(cnt>0) b=true;
			
			pst.close();
			conn.close();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		return b;
	}
	
	public void page(){//페이지관련 연산
		String sql = "select count(*) cnt from score"+" where mid like ? or exam like ?";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1, "%"+vo.getFind()+"%");
			pst.setString(2, "%"+vo.getFind()+"%");
			ResultSet rs = pst.executeQuery();
			if(rs.next()){
				
				totSize = rs.getInt("cnt");
				//전체 페이지수
				totPage =(int)Math.ceil(totSize*1.0/listSize);
				//전체 블럭수
				totBlock =(int)Math.ceil(totPage*1.0/blockSize);
				
				//현재 블럭
				nowBlock = (int)Math.ceil(nowPage*1.0/blockSize);
				
				//페이지의 시작과 끝 번호
				endPage = nowBlock * blockSize; 
				startPage = endPage - blockSize+1;
				
				//게시물의 시작번호와 끝 번호
				endNo = nowPage * listSize;
				startNo = endNo - listSize+1;
				
				//endPage, endNo 보정값
				if(endPage>totPage)endPage=totPage;
				if(endNo>totSize)endNo=totSize;
			}
			System.out.println("<li>totSize=" +totSize);
			System.out.println("<li>totPage=" +totPage);
			System.out.println("<li>totBlock=" +totBlock);
			System.out.println("<li>startPage="+startPage);
			System.out.println("<li>endPage="+endPage);
			System.out.println("<li>nowBlock="+ nowBlock);
		
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
	
	
	
	public ArrayList<ScoreVo> select(){
		page();
		ArrayList<ScoreVo> al = new ArrayList<>();
		String sql ="select * from("
				+" select rownum rn, c.* from(" 
				+" select * from score "
				+" where mid like ? or exam like ? )c "
				+"  )b"
				+" where b.rn between ? and ?";
		try{
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1,"%"+ vo.getFind()+ "%");
			pst.setString(2,"%"+ vo.getFind()+ "%");
			pst.setInt(3, startNo);
			pst.setInt(4, endNo);
			ResultSet rs = pst.executeQuery();
			while(rs.next()){
				ScoreVo v= new ScoreVo();
				v.setGrade(rs.getString("grade"));
				v.setPoint(rs.getInt("point"));
				v.setMid(rs.getString("mid"));
				v.setExam(rs.getString("exam"));
				v.setRno(rs.getInt("rno"));
				
			
				al.add(v);
			}
			rs.close();
			pst.close();
			conn.close();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		return al;
	}
	
	public ScoreVo selectOne(){
		ScoreVo v = new ScoreVo();
		String sql ="select * from score where rno=?";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());//
			ResultSet rs = pst.executeQuery();
			if(rs.next()){
				v.setGrade(rs.getString("grade"));
				v.setPoint(rs.getInt("point"));
				v.setMid(rs.getString("mid"));
				v.setExam(rs.getString("exam"));
				v.setRno(rs.getInt("rno"));
			}
			rs.close();
			pst.close();
			conn.close();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		
		return v;
	}
	public boolean delete(){
		boolean b=false;
		String sql = "delete * from score where rno =?";
		try {
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());
			int cnt = pst.executeUpdate();
			if(cnt>0)b=true;
			
			pst.close();
			conn.close();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		
		
		return b;
	}
	
	public ScoreVo getVo() {
		return vo;
	}
	public void setVo(ScoreVo vo) {
		this.vo = vo;
		this.nowPage = vo.getNowPage();
		this.nowBlock = vo.getNowblock();
	}

	public int getStartPage() {
		return startPage;
	}

	public void setStartPage(int startPage) {
		this.startPage = startPage;
	}

	public int getEndPage() {
		return endPage;
	}

	public void setEndPage(int endPage) {
		this.endPage = endPage;
	}

	public Connection getConn() {
		return conn;
	}

	public void setConn(Connection conn) {
		this.conn = conn;
	}

	public int getListSize() {
		return listSize;
	}

	public void setListSize(int listSize) {
		this.listSize = listSize;
	}

	public int getBlockSize() {
		return blockSize;
	}

	public void setBlockSize(int blockSize) {
		this.blockSize = blockSize;
	}

	public int getTotSize() {
		return totSize;
	}

	public void setTotSize(int totSize) {
		this.totSize = totSize;
	}

	public int getTotPage() {
		return totPage;
	}

	public void setTotPage(int totPage) {
		this.totPage = totPage;
	}

	public int getTotBlock() {
		return totBlock;
	}

	public void setTotBlock(int totBlock) {
		this.totBlock = totBlock;
	}

	public int getNowPage() {
		return nowPage;
	}

	public void setNowPage(int nowPage) {
		this.nowPage = nowPage;
	}

	public int getNowBlock() {
		return nowBlock;
	}

	public void setNowBlock(int nowBlock) {
		this.nowBlock = nowBlock;
	}

	public int getStartNo() {
		return startNo;
	}

	public void setStartNo(int startNo) {
		this.startNo = startNo;
	}

	public int getEndNo() {
		return endNo;
	}

	public void setEndNo(int endNo) {
		this.endNo = endNo;
	}
	
}
